However, I can provide a general overview of some of the key concepts and formulas related to gravitation.

Introduction:
Gravitation is the force of attraction that exists between any two objects in the universe. It is one of the four fundamental forces of nature and is responsible for keeping planets in orbit around the sun, as well as holding galaxies together.

Universal Law of Gravitation:
The universal law of gravitation, discovered by Sir Isaac Newton, states that every object in the universe attracts every other object with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

F = G * (m1 * m2) / r^2

Where:
- F = force of gravitational attraction
- G = gravitational constant (6.6743 x 10^-11 Nm^2/kg^2)
- m1 and m2 = masses of the two objects
- r = distance between the centers of the two objects

Gravitational Field:
The gravitational field is the region around an object where its gravitational force can be felt. Its strength is proportional to the mass of the object and inversely proportional to the square of the distance from the object.

g = G * M / r^2

Where:
- g = acceleration due to gravity
- M = mass of the object
- r = distance from the center of the object
- G = gravitational constant

Kepler's Laws of Planetary Motion:
Kepler's laws describe the motion of planets around the sun and are based on observations made by Johannes Kepler in the 16th century.

1. Law of Ellipses: The orbits of planets are elliptical, with the sun at one of the foci.

2. Law of Equal Areas: A line from a planet to the sun sweeps out equal areas in equal times.

3. Law of Harmonies: The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit.

Orbital Velocity:
The velocity required for an object to stay in orbit around a planet is called the orbital velocity.

v = sqrt(G * M / r)

Where:
- v = orbital velocity
- G = gravitational constant
- M = mass of the planet
- r = distance from the center of the planet

Escape Velocity:
The minimum velocity required for an object to escape the gravitational pull of a planet is called the escape velocity.

v = sqrt(2 * G * M / r)

Where:
- v = escape velocity
- G = gravitational constant
- M = mass of the planet
- r = distance from the center of the planet

Conclusion:
These are some of the key formulas and concepts related to gravitation. Understanding them is important for studying planetary motion and celestial mechanics.